Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Richard Mark Smiehorowski, FNP-BC

Family Nurse Practitioner in Scottsdale, AZ · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1124227111

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Registry record

Entity type Individual (Type 1)

Name Richard Mark Smiehorowski

Credential FNP-BC

Sex Male

Practice address Scottsdale, AZ, 85258

Phone (480) 626-2552

Fax (480) 626-2551

Enumeration date Jul 11, 2007

Last updated in NPPES Jan 3, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APN001158 (NV) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F332840-1 (NY) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP2069 (AZ) Primary

Other identifiers

Identifier	Type	State	Issuer
698084	Medicaid	AZ	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Richard Smiehorowski practice?

The practice location on file with NPPES is in Scottsdale, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Richard Smiehorowski?

The National Provider Identifier (NPI) for Richard Smiehorowski is 1124227111, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-03.